지학사 p113 탐구하는 수학 활동 2

Canonical URI: https://w3id.org/kmath/textbook_problem/jihak_vision_p113_exploration_02

rdf:typemath:TextbookProblem
rdfs:label지학사 p113 탐구하는 수학 활동 2
rdfs:comment지학사 공통수학1 교과서 p113에서 이미지 판독으로 추출한 문항.
math:achievementStandardachievement_standard:cm1_10_03_02
math:bodyText실생활 속의 예를 찾아 \(1\le r<n\)일 때, 등식 \({}_nP_r={}_{n-1}P_r+r\times{}_{n-1}P_{r-1}\)임을 설명해 보자.
math:extractionConfidence1.0
math:hasFigureproblem_figure:jihak_p113_exploration_02_jump_rope
math:hasSolutiontextbook_solution:jihak_solution_p153_p113_exploration_02
math:pageStart113
math:problemKindexploration
math:problemNumber활동 2
math:problemTypeproblem_type:permutation_identity_proof
math:reviewStatusreviewed
math:sourceSectiontextbook_section:jihak_combinations
math:targetsconcept:permutation
math:targetsconcept:sum_rule
math:textbooktextbook_source:jihak_common_math_1